Question

1.4.2 test (cst): heredity
question 13 of 25
why is it necessary for meiosis to produce haploid cells rather than diploid
cells?
a. it maintains the chromosome number when two gametes join
together to form a zygote.
b. it saves energy because the parent cell needs to produce fewer
chromosomes.
c. it reduces the chances of genetic variation because there are
fewer chromosomes in each gamete.
d. it allows for asexual reproduction to occur more quickly because
four haploid cells are produced instead of two.
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Explanation:

Meiosis produces haploid gametes. When two gametes (sperm and egg) fuse during fertilization, the resulting zygote has the diploid chromosome number. This maintains the species' chromosome number across generations. Option B is incorrect as energy - saving is not the reason. Option C is wrong because meiosis actually increases genetic variation. Option D is incorrect as meiosis is related to sexual reproduction, not asexual reproduction.

Answer:

A. It maintains the chromosome number when two gametes join together to form a zygote.